19074 2008-05-15 03:47:02 -0700 WebKit needs a script for automatically reducing test cases 2011-05-26 11:19:12 -0700 1 1 1 Unclassified WebKit Tools / Tests 528+ (Nightly build) Mac OS X 10.5 RESOLVED DUPLICATE 18690 ToolsHitList P2 Normal --- 1 eric webkit-unassigned aroben ddkilzer sam oldest_to_newest 80480 0 eric 2008-05-15 03:47:02 -0700 WebKit needs a script for automatically reducing test cases I've written a little script for automatically reducing crashing test cases. I've not cleaned it up to be general yet, but I figure I'll post it here anyway. It needs a bunch of work to be useful in the general case. 80481 1 21158 eric 2008-05-15 03:49:12 -0700 Created attachment 21158 example script 80482 2 eric 2008-05-15 03:50:00 -0700 more sophisticated tools exist for other projects: http://llvm.org/docs/Bugpoint.html 80512 3 gsherloc 2008-05-15 09:51:53 -0700 kind of related to bug 14524 80571 4 21186 eric 2008-05-15 15:29:41 -0700 Created attachment 21186 slightly improved example 82923 5 eric 2008-06-11 01:00:25 -0700 https://bugs.webkit.org/show_bug.cgi?id=18858 (security bug) includes a crashing reducer I wrote (not very sophisticated, but worked for my purposes. http://code.google.com/p/tmin/ is a fancier tool. 410535 6 aroben 2011-05-26 09:53:22 -0700 Sounds like a dupe of bug 18690? 410536 7 aroben 2011-05-26 09:53:34 -0700 *** This bug has been marked as a duplicate of bug 18690 *** 21158 2008-05-15 03:49:12 -0700 2008-05-15 15:29:41 -0700 example script reduce-crashing-test application/octet-stream 944 eric IyEvdXNyL2Jpbi9weXRob24KCmltcG9ydCBvcwoKZHJ0X3BhdGggPSAiL1VzZXJzL2VzZWlkZWwv UHJvamVjdHMvYnVpbGQvRGVidWcvRHVtcFJlbmRlclRyZWUiCnNvdXJjZV90ZXN0X3BhdGggPSAi L1VzZXJzL2VzZWlkZWwvUHJvamVjdHMvV2ViS2l0L0xheW91dFRlc3RzL2VkaXRvci1jcmFzaC5o dG1sIgpyZXN1bHRfdGVzdF9wYXRoID0gIi90bXAvcmVzdWx0Lmh0bWwiCgpkZWYgcnVuX3Rlc3Rf dG9vbChsaW5lcyk6CiAgdGVtcF90ZXN0X3BhdGggPSAiL3RtcC9yZWR1Y2UtdGVzdC5odG1sIgog IHRlbXBfdGVzdF9maWxlID0gb3Blbih0ZW1wX3Rlc3RfcGF0aCwgJ3cnKQogIHRlbXBfdGVzdF9m aWxlLndyaXRlbGluZXMobGluZXMpCiAgdGVtcF90ZXN0X2ZpbGUuY2xvc2UoKQogIHJldHVybiBv cy5zeXN0ZW0oZHJ0X3BhdGggKyAiICIgKyB0ZW1wX3Rlc3RfcGF0aCArICIgPiAvZGV2L251bGwi KQoKIyByZXN1bHRfdGVzdF9maWxlID0gb3BlbihyZXN1bHRfdGVzdF9wYXRoLCAndycpCnNvdXJj ZV90ZXN0X2ZpbGUgPSBvcGVuKHNvdXJjZV90ZXN0X3BhdGgsICJyIikKc291cmNlX2xpbmVzID0g c291cmNlX3Rlc3RfZmlsZS5yZWFkbGluZXMoKQpzb3VyY2VfdGVzdF9maWxlLmNsb3NlKCkKCnNv dXJjZV9saW5lX3JhbmdlID0gcmV2ZXJzZWQocmFuZ2UobGVuKHNvdXJjZV9saW5lcykpKQpmb3Ig aSBpbiBzb3VyY2VfbGluZV9yYW5nZToKICBwcmludCBzdHIoaSkgKyAiIG9mICIgKyBzdHIobGVu KHNvdXJjZV9saW5lcykpCiAgb3JpZ2luYWxfbGluZSA9IHNvdXJjZV9saW5lc1tpXQogIHNvdXJj ZV9saW5lc1tpXSA9ICIiICMgIi8vICIgKyBvcmlnaW5hbF9saW5lCiAgcmVzdWx0ID0gcnVuX3Rl c3RfdG9vbChzb3VyY2VfbGluZXMpCiAgaWYgKHJlc3VsdCA9PSAwKTogIyBubyBjcmFzaAogICAg c291cmNlX2xpbmVzW2ldID0gb3JpZ2luYWxfbGluZQo= 21186 2008-05-15 15:29:41 -0700 2008-05-15 15:29:41 -0700 slightly improved example reduce-crashing-test application/octet-stream 1256 eric IyEvdXNyL2Jpbi9weXRob24KCmltcG9ydCBvcwoKcmV2ZXJzZV93YWxrID0gMQoKZHJ0X3BhdGgg PSAiL1VzZXJzL2VzZWlkZWwvUHJvamVjdHMvYnVpbGQvRGVidWcvRHVtcFJlbmRlclRyZWUiCnNv dXJjZV90ZXN0X3BhdGggPSAiL1VzZXJzL2VzZWlkZWwvUHJvamVjdHMvV2ViS2l0L0xheW91dFRl c3RzL2VkaXRvci1jcmFzaC5odG1sIgoKZGVmIHJ1bl90ZXN0X3Rvb2wobGluZXMpOgogIHRlbXBf dGVzdF9wYXRoID0gIi90bXAvcmVkdWNlZC10ZXN0Lmh0bWwiCiAgdGVtcF90ZXN0X2ZpbGUgPSBv cGVuKHRlbXBfdGVzdF9wYXRoLCAndycpCiAgdGVtcF90ZXN0X2ZpbGUud3JpdGVsaW5lcyhsaW5l cykKICB0ZW1wX3Rlc3RfZmlsZS5jbG9zZSgpCiAgcmV0dXJuIG9zLnN5c3RlbShkcnRfcGF0aCAr ICIgIiArIHRlbXBfdGVzdF9wYXRoICsgIiA+IC9kZXYvbnVsbCIpCgpzb3VyY2VfdGVzdF9maWxl ID0gb3Blbihzb3VyY2VfdGVzdF9wYXRoLCAiciIpCnNvdXJjZV9saW5lcyA9IHNvdXJjZV90ZXN0 X2ZpbGUucmVhZGxpbmVzKCkKc291cmNlX3Rlc3RfZmlsZS5jbG9zZSgpCgppZiAocnVuX3Rlc3Rf dG9vbChzb3VyY2VfbGluZXMpID09IDApOgogIHByaW50ICJURVNUIERPRVMgTk9UIENSQVNIIgog IGV4aXQoMSkKCnNvdXJjZV9saW5lX3JhbmdlID0gcmFuZ2UobGVuKHNvdXJjZV9saW5lcykpCgpp ZiByZXZlcnNlX3dhbGs6CiAgc291cmNlX2xpbmVfcmFuZ2UgPSByZXZlcnNlZChzb3VyY2VfbGlu ZV9yYW5nZSkKCmZvciBpIGluIHNvdXJjZV9saW5lX3JhbmdlOgogIG9yaWdpbmFsX2xpbmUgPSBz b3VyY2VfbGluZXNbaV0KICBzb3VyY2VfbGluZXNbaV0gPSAiIiAjICIvLyAiICsgb3JpZ2luYWxf bGluZQogICMgcHJpbnQgIlRyeWluZyB3L28gIiArIG9yaWdpbmFsX2xpbmUsCiAgcHJpbnQgc3Ry KGkpICsgIiBvZiAiICsgc3RyKGxlbihzb3VyY2VfbGluZXMpKSwKICByZXN1bHQgPSBydW5fdGVz dF90b29sKHNvdXJjZV9saW5lcykKICBpZiAocmVzdWx0ID09IDApOiAjIG5vIGNyYXNoCiAgICBw cmludCAiT0siCiAgICBzb3VyY2VfbGluZXNbaV0gPSBvcmlnaW5hbF9saW5lCiAgZWxzZToKICAg IHByaW50ICJDUkFTSCIKCnJlc3VsdF90ZXN0X3BhdGggPSAiL3RtcC9yZWR1Y2VkLXRlc3QuaHRt bCIKcmVzdWx0X3Rlc3RfZmlsZSA9IG9wZW4ocmVzdWx0X3Rlc3RfcGF0aCwgJ3cnKQpyZXN1bHRf dGVzdF9maWxlLndyaXRlbGluZXMoc291cmNlX2xpbmVzKQpyZXN1bHRfdGVzdF9maWxlLmNsb3Nl KCk=